Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Fuel Trim Cell
RANGE 0-22 A fuel trim cell depends upon the engine speed and the MAP sensor readings. RPM vs.
MAP is broken down into 22 fuel trim cells. The fuel trim cell indicates which cell is currently active.